注維摩詰經 6.308

6.308

肇曰：欲言有在，今見無相；欲言無在，向復有相。猶幻化無定，莫知所在也。

[Seng]zhao says: If one wishes to say it is somewhere, now it is seen to have no mark; if one wishes to say it is nowhere, just before it had a mark. Like an illusion or phantom without determination, none knows its whereabouts.